Wikipedia
ICOCA
The card is a rechargeable contactless smart card used on JR West rail network in Japan. The card was launched on November 1, 2003 for usage on the Urban Network, which encompasses the major cities of Osaka, Kyoto and Kobe ( Keihanshin). It is now usable on many other networks.
ICOCA stands for IC Operating CArd, but it is also a play on the phrase , an informal, Kansai dialect invitation meaning "Shall we go?" in Japanese (the standard, Tokyo dialect equivalent is ).
The mascots for the ICOCA program consist of a blue platypus (or duckbill) called and .